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Merge pull request #2936 from brendandahl/trans-groups2

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Add basic support for transparency groups.
This commit is contained in:
Yury Delendik 2013-03-18 14:48:37 -07:00
commit 6cb762246a
6 changed files with 2319 additions and 28 deletions
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7
web/viewer.js
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@ -2116,7 +2116,6 @@ var PageView = function pageView(container, pdfPage, id, scale,
var canvas = document.createElement('canvas');
canvas.id = 'page' + this.id;
canvas.mozOpaque = true;
div.appendChild(canvas);
this.canvas = canvas;
@ -2146,13 +2145,10 @@ var PageView = function pageView(container, pdfPage, id, scale,
}
var ctx = canvas.getContext('2d');
ctx.clearRect(0, 0, canvas.width, canvas.height);
// TODO(mack): use data attributes to store these
ctx._scaleX = outputScale.sx;
ctx._scaleY = outputScale.sy;
ctx.save();
ctx.fillStyle = 'rgb(255, 255, 255)';
ctx.fillRect(0, 0, canvas.width, canvas.height);
ctx.restore();
if (outputScale.scaled) {
ctx.scale(outputScale.sx, outputScale.sy);
}
@ -2371,7 +2367,6 @@ var ThumbnailView = function thumbnailView(container, pdfPage, id) {
function getPageDrawContext() {
var canvas = document.createElement('canvas');
canvas.id = 'thumbnail' + id;
canvas.mozOpaque = true;
canvas.width = canvasWidth;
canvas.height = canvasHeight;